Porch swing



May 19, 1925.

E. H. TALBERT PQRCH SWING 2 Sheets-Sheet 1 Filed April 22, 1921 Patented i i lay 19, 19125,

EDGAR HUME winner, on

PORCH Application filed April 2&2,

vented new and 'u-seiul Improvements in cillatorv movements may cidentto the change Porch Swingaot which the following isa specification.

The object of the invention isto provide a porch swing or like object with suspending means whereby the seatnien'i'berthereot is adapted for a rhythmic rocking or oscillatory movement having a cushioning or jar relieving effect in addition to the oscillatory or swinging movement which is incident to the bodily suspension ot the seat, whether the latter is supported from an overhead :or an under-toot axis, and which auxiliary rocking or oscillatory movement will heinin the direction of swinging moven ient ot the device as a iunit, or to the shitting of the center of "gravity of the load imposed upon the seat, or both, and wherein the sensitiveness orresponsiveness of the seat in its rocking or supplemental oscillatory movement may be regulated or adjusted to correspond with the load imposed upon the seat orwto suit the preterence of the occupant of the swing, to the end that the :ratio of amplitudes of :main or bodily oscillatory and supplemental .os be 1no.dified .-at the will ot the operator; and with lillGSB objects in view the invention consists in lit construction and combination ot pants ot which a preferred embodiment is shown in the ac cmnpanying drawings, wherein:

Figure 1 i a view of aporch swing ot the type haivrng an overhead support provided with suspending means constructed in accordance with the invention.

Figure 2 is aside view showing diagrammatica-lly :the elements OLE the swing and indicating :in dotted lines the relation of the parts as the swing seat approaches the limit of its rearward movement.

Figure s a similar view showing in dotted lines the parts ot the swing at the end of the rearward movement and :as it starts on the return or torward imovement,

Figure 4; is a detail view o t one of the compensating units.

Figure 5 is a similar view of one of the 10 cking devices by which the 'el cments of the suspending unit are secured in. their adjusted positions.

spectively with members of the CHEVY CHASE, MARYLAND.

SWING.

1921. Serial No. 4:63,'634.

Figure 6tof11 inclusive are diagrammatic views showing *mocliiications in the rearwardly points of connection of the suspendmg elements to the swing seat or -related elements of the load supporting structure.

The type cit-swing whichhas been selected as a means of illustrating the invention is that wherein the seat 10 is provided with a back :11 and is supported for oscillatory or 1.,53aar Un te-D STATES PATENT 'OFLPUICE...

swinging movement troin an overhead axis 13, relatively remote 'lromthe plane of the seat, by means of front and rear; down wardly divergent suspending elements 1M and 15 consisting of chains, ropes, cables,

ing elements being disposed in radial relation with the axis ot oscillatory movement, and being connected at their lower ends with the seat respect vely near-:the front and rear edges thereof, and tie invention consists essentially in providingdhe rear suspending-elements with means for peri' itting 7O rods or the equivalent thereof, said suspend a yielding entension thereo t or a yielding movementot the rear or back carrying edge of the seat with relation to the front edge of the seat, to .eltect a tiltingsmovenient lot the seat or an oscillatory i-movement ot the seat with relation :to an axis disposed at or near the front edge of the seat, such tilting, rocking or oscillatory movemcntheing independent otancl supplementalato the bodily swinging movement su 'iponting axis represented #at 13.

There is, however, in operation av relation between the rocking, tilting or supplemental oscillatory movement and the main swinging or bodily oscillation, in the tact that the means used for peri'i'iitting the -torn-lo: should be of such tension as to provide for the yielding o f the rear or backed e ofthe seat 'as the swing reaches the To this end the re arfisuspending elements e of the swin l-seatinay be provided asill-ustrated' with compensating imits each at which consists of relatively adjustable sle of the seat about the limit of its rear-wardbodily swinging movement or as *ard, dependent "upon I ments 16 and 17 terminally connected re suspending element and yieldingly connected by :a coil spring 18 of which the terminals-are seated niote supporting axis 18 upon disks 19 and carriedby the elements 16 and 17, the tension of the spring and the amplitude of movement of the spring connected elements being regulated by a stop 21 consisting in the construction illustrated of a pin carried by a clamp 22 of which the jaws are yieldingly held in engagement with the opposite edges of the element 17, and which pin is adapted for selective engagement with a series of openings 23. The element 16 may also be provided with a perforation for engagement by the locking pin when fitted in either of the perforations of the element 1?, when it is desired to dispense withthe rocking or tilting movement of the seat.

In operation the bodily swinging or oscillatory movement of the seat about the re-' is accompanied by a rocking, tilting or oscillatory movement about an aXis adjacent to or in the plane of the seat at its forward edge defined by the line of connection of the front suspending elements with the seat, the maximum oscillatory movement of the seat about the axis adjacent to its plane beingnoticeable at the limit of the rearward bodily swinging movement of the seat incident to the change in the direction of swinging movement and to the fact that as the swing changes its movement from rearward to forward the center of gravity of the load represented by the occupant of the seat and which center of gravity is above the plane of the seat is units.

ing relation between the.

shifted rearwardly with relation to the seat, with the effect that the seat during th forward swinging movement is tilted upward toward its front edge at a greater angle than during the rearward swinging movement'and gradually approaches the normal position as the swing approaches the limit of its forward movement due to the resistance offered by the springs of the compensating The operation indicated serves to relieve or cushion jar at the limit of therearward swinging movement of the seat and at the same time to afford a pleasurable sensation of security in that the forward pitch of the body of the occupant of the swing is eliminated. The occupant in other words has a feeling of settling in preparation for the forward swinging movement which is absent when no provision is made for an equivalent of the tilting movement indicated, or when there isan absence of a definite yieldfront and rear suspending meansfor the seat.

Referring particularlyto Figures 2 and 3 in which the arrows a and 5 indicate respectively the directions of movement of the seat structure as it approaches and leaves the limit of rearward swinging movement,

and in which the arrows c and (Z represent respectively the contracted and extended relation of the parts of the yielding members of the rear supporting. elements, it will be observedthat the seat maintains a normal or. uniform relation, so far as its plane is concerned with reference to the overhead axis of movement, until the swing reaches the limit of its rearward swinging movement or as long as the center of gravity of theload maintains a fixed relation to the seat, but as the direction of movement of the swing shifts from rearward to forward, at the end of the rearward movement, and the center of gravity of the load tends to continue in the direction of rearward swinging movement and thus isshifted rearwardly with relation to the seat, additional strain is placed upon the rear suspending elements which causes an extension of the compensating means or members represented in the construction illustrated by springs 18 and bars 16 and 17, with a resultant depression relatively of the rear edge of the seat from the plane indicated by the dotted line e in Figures 2 and 3 to the dotted line position 9 in Figure 3, such movement occurring with referenceto' the supplemental or secondary axis 7L representing the connection of the front suspending elements with the seat, and hence a forward progress of the seat in a position assuring a more comfortable posture of the occupant of the swing.

In the modified relations of connection between the suspending elements and the seat structure suggested in Figures 6 to 12 inelusive, it will be observed that whereas in Figure 6 said elements represented respectively at and 26 are connected directly to the seat 2'7at its front and rear edges as shown at 28 and 29 the spring or cushioning member 30 being introduced only into the rear suspending elements, the form which is shown in Figure 7 indicates the connection of the front suspending elements 30 directly with the seat 31 at its front edge as shown at but shows the rear suspending clements33 connectodwith the scat indirectly by attachment as at 34 to the junc ture between'the back 35. and the arm 36. Again in Figure 8 while the connection of front and rear suspending elements 37 and 88 is directly with the seat element 39 at its front and rearedges, the spring members 40 and 41 of said front and rear suspending elements are respectively of different tensions, the latter being of less tension than the former to provide for a more sensitive or responsive yielding movement,the front springs having merely a cushioning effect to relieve jar withoutinterfering with the proposed rocking or tilting movement of the seat about its front edge as an axis; whereas inthe form shown in Figure 9 the arrangement contemplates front and rear suspending elements 4L2 and-43 connected directly with the seat 44:, and the cushioning memindirectly her A5 in the rear element, together with a supplemental suspending element 46 con nected with a foot rest 4:? which is pivoted for swinging movement at 48. In this form the same rocking or tilting movement of the seat is secured by reason of oscillation about an axis adjacent to the plane of the seat and represented by the line of connection l9 of the lower ends of the front suspendingele- Inents 42, in addition to the oscillation about the overhead axis 50, but at the same time the occupant of the swing by pressure at intervals upon the foot rest 4:7 may cause the required swinging movement of the seat.

In the formillustrated in Figure 10 the connection of the front and rear suspending elements and 51 with the seat iseffected through the front and rear standards 52 and 53, both of which may be provided with spring members 54:, while the axis of the supplemental oscillatory movement of the seat 55 is represented by the line of connection 56 of the lower ends of intermediate suspension elements 57 having direct connection with thevseat at an intermediate portion of the distance between the front and rear edges thereof but providing as in the forms previously described for the proposed rocking or supplemental. oscilla tory movement. Again in the form shown in Figure 11 the front and rear suspending elements 58 and 59, of which the latter include the spring member 60, are respectively connected indirectly and directly with the seat '61, the former being attached as at 62 to the upper ends of the front standards 63 of the arms 64c while the rear suspending elements are connected directly with the seat at its rear edge.

The invention having been described, what is claimed as new and useful is 1-- 1. A porch swing comprising a seat, downwardly diverging front and rear tensile supporting elements having a single overhead axis of oscillation, said supporting elements being connected with saidseat, certain of said elements being yieldingly extensible for elongation relative to the remainder to afford tilting vibration of the seat about a contained. axis.

2. A porch swing having a seat, down wardly divergent front and rear tensile supporting elements connected with the seat and suspended for pendulous movement relative to a single overhead axis, and means contained in said elements to provide for the resilient depression of the rear edge of the seat in response to a superimposed load to effect a: rocking movement on an axis parallel with that of suspension and adjacent to the plane of the seat.

3. Atporch swing comprising a seat, sus pension elements having a single overhead axis of oscillation, said suspension elements being connected with the seat at remote points on the latter, certain of said elements being yieldingly extensible for elongation relative to the remainder toafford tilting movement of the seat about a contained axis.

4. A swing having front and rear supporting elements suspended from a common overhead axis and connected with the seat respectively near its front and rear edges, the rear suspending elements being connected with the seat through a back rising from the plane of the seatat its rear edge and including a yielding member to provide for oscillatory movement of the seat about an axis represented by the connection with the front edge of the seat of the front suspending elements.

5. A porch swing having a seat, forward and rear suspending means for the same swung mon axis, and adjustable resilient means included in one of said suspending means to provide for varying the intensity of vibratory movement of one edge of the seat during its pendulous movement.

6. A porch swing having a seat, front and rear suspending means for the same swung from a common axis for pendulousor oscillatory movement, resilientv means contained in certain of said suspending means, justable means for varying the intensity of said resilient means to provide for varying the character of vibratory movement at that edge of the swing adjacent said resilient means.

In testimony nature.

whereof he affixes his sig- EDGAR HUME TALBERT.

for pendulous movement on a com-' and ad- 

